Reliable control for interval time‐varying delay systems subjected to actuator saturation and stochastic failure |
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| Authors: | Zhou Gu Jingliang Liu Chen Peng Engang Tian |
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| Affiliation: | 1. School of Power & Mechanical Engineering, Nanjing Normal University, , Nanjing, Jiangsu, China;2. College of Information Science and Technology, Donghua University, , Shanghai, China;3. Institute of Information and Control Engineering Technology, Nanjing Normal University, , Nanjing, Jiangsu, China |
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| Abstract: | This paper is devoted to the problem of reliable control for interval time‐varying delay systems subjected to actuator saturation and stochastic failure. A new practical actuator fault model is proposed by assuming that the actuator fault obeys a certain probabilistic distribution. An optimization problem with LMI constraints is formulated to determine the largest contractively invariant ellipsoid. Delay distribution and fault distribution‐dependent estimations of the domain of attraction are obtained by using the LMI techniques and an optimization method, such that the mean‐square stability of the systems can be guaranteed for given H∞ performance index γ. Two illustrative examples are exploited to show the effectiveness of the proposed design procedures. Copyright © 2011 John Wiley & Sons, Ltd. |
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| Keywords: | reliable control time‐varying delay stochastic fault model domain of attraction |
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